/*
 * Copyright (c) 2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef SCREEN_STATE_MONITOR
#define SCREEN_STATE_MONITOR

#include <memory>
#include <mutex>

#include "iam_common_defines.h"

#include "nocopyable.h"

namespace OHOS {
namespace UserIam {
namespace FingerprintAuth {
class ScreenStateMonitor : public NoCopyable {
public:
    static ScreenStateMonitor &GetInstance();

    void Subscribe();
    void Unsubscribe();

    void SetScreenOn(bool isOn);
    bool GetScreenOn();

private:
    ScreenStateMonitor() = default;
    ~ScreenStateMonitor() = default;

    bool isSubscribing_ = false;
    bool isOn_ = false;
    std::mutex mutex_;
};
} // namespace FingerprintAuth
} // namespace UserIam
} // namespace OHOS

#endif // SCREEN_STATE_MONITOR